3638 Windhill Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 3638 Windhill Loop, Round Rock, TX 78681

Property Summary

Property TypeSingle Family Home
Details3 ba · 1,704 sqft · built 2000
Lot Size0.113 acres (4,924 sqft)
Owner2 Individual Names on Record
Last Sale$345,900 (Oct 2021)
Tax Bill$6,892 (2025)
Deeds & MortgagesOct 2021 Mortgage
Flood ZoneZone X (minimal risk)
APNR-16-5552-000A-0021

Property Details

APN / Parcel Number

Primary APNR-16-5552-000A-0021
Alternative APNs
  • R361038
  • 188382

Interior

Full Baths3 Baths
Stories2 Stories
Building Area1,704 sqft Living Area
1st Floor Area706 sqft
2nd Floor Area998 sqft
FlooringCarpet
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2000
Effective Year BuiltEffective 2000
Exterior MaterialBrick Veneer
Roof TypeHip
Lot Area4,924 sqft (0.113 acres)
Garage Area441 sqft
Parking Spaces2 Parking Spaces
PorchOpen Porch
Porch Area40 sqft
Patio Area100 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerConnected

Location & Zoning

Account NumberR165552000A0021
Street Address3638 WINDHILL LOOP
CityROUND ROCK
StateTX
Zip78681-1102
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeSF2
Legal DescriptionS6323 - STONE OAK AT ROUND ROCK SEC 2, BLOCK A, LOT 21
Legal SubdivisionSTONE OAK AT ROUND ROCK SEC 2
Legal BlockA
Legal Lot Number21
JurisdictionWILLIAMSON TX
Township / Civil DivisionROUND ROCK-GEORGETOWN
Census Block Group3
Census Block3002
Census Tract20608

Owner

Source: Williamson County records, as of September 11, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address2273 BRIANA ST, LIVERMORE, CA 94550-7360
Owner TypeIndividual
VestingJoint Tenants with Right of Survivorship

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 28, 2021 · Amount on Record
Deed SaleOct 28, 2021 · Amount on Record
Prior SaleMay 22, 2014 · Amount on Record
Deed Document Number2021165168
Prior Transfer DateOct 25, 2021
Prior Transfer Doc0000165168
Record UpdatedOct 29, 2026

October 2021: Vendor's Lien, Transfer

Document TypeVendor's Lien
JurisdictionWILLIAMSON TX
Recording DateOct 28, 2021
Property Address3638 WINDHILL LOOP, ROUND ROCK, TX 78681-1102
Document Number0000165168
Map ReferenceCAB M SL 389&390
Instrument DateOct 25, 2021
Instrument2021165168
Transaction TypeTransfer
Record UpdatedNov 8, 2021
Title CompanyINDEPENDENCE TITLE

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address2273 BRIANA ST, LIVERMORE, CA 94550-7360

Mortgage

Document Number0000165169
DateOct 28, 2021
Instrument2021165169
Lender
NameBETTER MORTGAGE CORPORATION
TypeMortgage Company
Special NotesSeller Financed
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 1, 2051

Tax Assessment & Valuation

Source: Williamson County assessment roll, as of September 11, 2026

Property Jurisdictions

TypeName
StateTexas
CountyWilliamson County
MunicipalityRound Rock City
Unified School DistrictRound Rock Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$6,892.00 (+8.78%)$301,649 (-16.5%) Land $81,000 Building $220,649$301,649 (-16.5%) Land $81,000 Building $220,649
2023$6,336.00 (-16.18%)$361,243 Land $86,000 Building $275,243$361,243 Land $86,000 Building $275,243
2022$7,559.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 40% of the US · lower than 85% of Texas
Wildfire Likelihood0.06% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF ROUND ROCK
serves 130,662 people · EPA ID TX2460003
Water SourceSurface water
Last State InspectionSep 2023
Lead5 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 364 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber in parts of the area
100 / 20

May also be available: VTX Communications, Western Broadband.

Nearby Properties on Windhill Loop

Nearby Streets

Search Property Records by Address or Parcel Number